has been spiralling
Presente perfecto progresivo para el sujetohe/shedel verbospiral.

spiral

For decades, the violence has been spiralling out of control in an unending vicious circle.
Durante décadas, la espiral de violencia ha estado fuera de control en un círculo vicioso sin fin.
The crackdown on citizens has only served to heighten demands for the president's resignation, similar to the political crisis in Venezuela, which has been spiralling into disaster for years.
La represión contra los ciudadanos solo ha servido para aumentar las demandas de la renuncia del presidente, similar a la crisis política en Venezuela.
Palabra del día
crecer muy bien